-50.12% is the change from 864 to 431
Calculation steps:
[( 431 - 864 ) ÷ 864] x 100 = -50.12%
Formula
Percentage change = [(431 - 864) / 864] x 100
Subtract the new number by the original number
431 - 864 = -433
-433 ÷ 864 = -0.5011574074074074
-0.5011574074074074 x 100 = -50.12%